Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh dong » anh dong, ha dong
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
chu xanh » chu manh, chua xang, chuc danh
dong cua » dung cua, cong cua, huong cua
tac nhan » tao nhan, cac nhan, dac nhan
nhan tap » nhan tai, nhan tao, han tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: cho ((chu xanh) or (chieu xanh)) - hanh dong cua ((hang cong) OR (dang cong)) tac nhan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((chu xanh) OR (chieu xanh)) - hanh dong cua ((hang cong) OR (dang cong)) tac nhan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho ((chu xanh) or (chieu xanh)) - hanh dong cua ((hang cong) OR (dang cong)) tac nhan tap".
• Adding a wildcard symbol may retrieve word variants: cho ((chu xanh) or (chieu xanh)) - hanh dong cua ((hang cong) OR (dang cong)) tac nhan tap*.